"GROUSE DISEASE "PATHOLOGY 



295 



that they play any part, except perhaps a secondary one, in the causation 

 of " Grouse Disease." 



TABLE VI. SHOWING THAT THE PRESENCE OF DAVAISEA IN THE INTESTINE 



IS NOT RELATED TO THE PRESENCE OF BACILLI'S COLI IN THE LlVEK. 



B. mt.=B. entcritidit. 



In the above tables the birds are arranged in order, according to the number of tape- 

 worms present. When two or more birds had the same number of these worms they are 

 arranged according to the number of Strongyli. 





Three Grouse chicks, reared at Frimley and experimentally fed on coccidia. 

 by Dr Wilson, were examined by cultures for the presence of 

 intestinal organisms in their organs. 



The first (B. 15. Hatched 28.6.09. Faeces examined and 

 no spores of coccidia found. Fed twice on 9.7.09 and 17.7.09 with i lver .'S? . 



UocciaiosiS'' 



faeces from other birds containing spores of coccidia. Killed 6.8.09) f iein - 



' testme. 



was very ill and extremely emaciated when received, and was 



killed and examined immediately. An organism of the Bacillus enteritidis 



type was found in the liver, but not in the other organs. No worms of any 



